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204214320030 = 23571396996037
BaseRepresentation
bin1011111000110000011…
…1110011101110011110
3201112010001021022202110
42332030013303232132
511321212331220110
6233451553334450
720516423036220
oct2761407635636
9645101238673
10204214320030
1179674729216
12336b2b67426
131634646cb76
149c53aa4410
1554a3431a20
hex2f8c1f3b9e

204214320030 has 64 divisors (see below), whose sum is σ = 564160504320. Its totient is φ = 46341742464.

The previous prime is 204214319989. The next prime is 204214320031. The reversal of 204214320030 is 30023412402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 204214319979 and 204214320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204214320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3468829 + ... + 3527208.

It is an arithmetic number, because the mean of its divisors is an integer number (8815007880).

Almost surely, 2204214320030 is an apocalyptic number.

204214320030 is an abundant number, since it is smaller than the sum of its proper divisors (359946184290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204214320030 is a wasteful number, since it uses less digits than its factorization.

204214320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996193.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 204214320030 its reverse (30023412402), we get a palindrome (234237732432).

The spelling of 204214320030 in words is "two hundred four billion, two hundred fourteen million, three hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 139 210 278 417 695 834 973 1390 1946 2085 2919 4170 4865 5838 9730 14595 29190 6996037 13992074 20988111 34980185 41976222 48972259 69960370 97944518 104940555 146916777 209881110 244861295 293833554 489722590 734583885 972449143 1469167770 1944898286 2917347429 4862245715 5834694858 6807144001 9724491430 13614288002 14586737145 20421432003 29173474290 34035720005 40842864006 68071440010 102107160015 204214320030